a citation
to quote; to repeat, as a passage from a book, or the words of another.
to list the source(s) from which one took information, words or literary or verbal context.
to summon officially or authoritatively to appear in court.
The act of revoking in a game of cards.
A violation ranked in seriousness somewhat below overt cheating, with the status of a more minor offense only because, when it happens, it is usually accidental.
A renege; a violation of important rules regarding the play of tricks in trick-taking card games serious enough to render the round invalid.
To cancel or invalidate by withdrawing or reversing.